>sp|O88343-3|S4A4_MOUSE Isoform 3 of Electrogenic sodium bicarbonate cotransporter 1 OS=Mus musculus OX=10090 GN=Slc4a4 MSTENVEGKPNNLGERGRARSSTFLRVFQPMFNHSIFTSAVSPAAERIRFILGEEDDSPA PPQLFTELDELLAVDGQEMEWKETARWIKFEEKVEQGGERWSKPHVATLSLHSLFELRTC MEKGSIMLDREASSLPQLVELLGESRKVIRPAGFIRP